Ion transmission method for hydraulic concrete based on real pore structure and solution composition
Through a multi-scale diffusion model and ion transport model based on fractal dimensions, the sulfate ion diffusion behavior of hydraulic concrete under the dry and wet cycle is studied, which solves the diffusion problem that is difficult to predict in the existing technology and achieves more accurate ion distribution prediction.
CN119785904AActive Publication Date: 2025-04-08ZHENGZHOU UNIV
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Patent Information
- Application Number
- CN202411837983.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-13
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2044-12-13
AI Technical Summary
Technical Problem
The prior art is difficult to effectively study and predict the macroscopic diffusion behavior of sulfate ions in hydraulic concrete under the dry and wet cycle, and the influence of pore structure on diffusion is rarely considered.
Method used
A multi-scale diffusion model based on fractal dimensions is used to construct a pore network and form an electrochemical potential gradient. Combining capillary parameters and convection parameters, an ion transport model is constructed to evaluate the ion transport results.
Benefits of technology
It can better reproduce the distribution of ions in the test, accurately predict the ion distribution in concrete at different stages, simplify the model, and make certain predictions of the test trend.
✦ Generated by Eureka AI based on patent content.
Abstract
The invention discloses a hydraulic concrete ion transmission method based on a real pore structure and solution composition, and relates to the technical field of ion transmission. Comprising the following steps: constructing a multi-scale diffusion model based on fractal dimensions; obtaining a pore network based on a multi-scale diffusion model, and forming an electrochemical potential gradient through a local micro-region of the pore network; constructing an ion transmission model based on the electrochemical potential gradient, the capillary action parameter and the convection parameter; and evaluating an ion transmission result based on the ion transmission model. According to the method, the electrochemical potential gradient, capillary action parameters and convection parameters are considered, the constructed ion transmission model can well reproduce the ion distribution in the test, and the ion distribution in the concrete at different stages can be accurately predicted.
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